qtplasmac: fix gcode filter comments error

Author: phillc54

share/qtvcp/screens/qtplasmac/qtplasmac_handler.py

@@ -1,4 +1,4 @@
-VERSION = '236.299'
+VERSION = '236.300'
 LCNCVER = '2.9'
 DOCSVER = LCNCVER
 

share/qtvcp/screens/qtplasmac/versions.html

@@ -26,6 +26,11 @@ <h2>QtPlasmaC Version History - LinuxCNC 2.9</h2>
 </table>
 <br>
 <!--- ****** ADD NEXT VERSION BELOW THIS LINE ****** --->
+<br><b><u>236.300 2023 Nov 07</u></b>
+<ul style="margin:0;">
+  <li>fix gcode filter comments error</li>
+</ul>
+
 <br><b><u>236.299 2023 Nov 05</u></b>
 <ul style="margin:0;">
   <li>rework versioning due to master branch diverging</li>

src/emc/usr_intf/qtplasmac/qtplasmac_gcode.py

@@ -199,7 +199,7 @@ def process_file(self):
                 if line[0] in 'nN':
                     line = self.remove_line_numbers(line)
                 # if any obvious illegal characters then comment the line
-                if self.illegal_character(line):
+                if line[0] != ';' and self.illegal_character(line):
                     continue
                 # check for material edit
                 if line[:3] == '(o=':
@@ -218,7 +218,7 @@ def process_file(self):
                         self.gcodeList.append(line)
                     continue
                 # full line comments - only remove line numbers
-                if line[0] in ';(' and not line[:3] == '(o=)':
+                elif line[0] in ';(':
                     if len(line) > 1:
                         l0 = line[0]
                         tmp = line[1:].strip()